Optimal 3-T MRI for depiction of the finger A2 pulley: comparison between T1-weighted, fat-saturated T2-weighted and gadolinium-enhanced fat-saturated T1-weighted sequences

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Serval ID
serval:BIB_260441E0DE9A
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Optimal 3-T MRI for depiction of the finger A2 pulley: comparison between T1-weighted, fat-saturated T2-weighted and gadolinium-enhanced fat-saturated T1-weighted sequences
Journal
Skeletal Radiology
Author(s)
Goncalves-Matoso V., Guntern D., Gray A., Schnyder P., Picht C., Theumann N.
ISSN
0364-2348
Publication state
Published
Issued date
2008
Peer-reviewed
Oui
Volume
37
Number
4
Pages
307-12
Language
english
Abstract
OBJECTIVE: To compare three spin-echo sequences, transverse T1-weighted (T1WI), transverse fat-saturated (FS) T2-weighted (T2WI), and transverse gadolinium-enhanced (Gd) FS T1WI, for the visualisation of normal and abnormal finger A2 pulley with magnetic resonance (MR) imaging at 3 tesla (T). MATERIALS AND METHODS: Sixty-three fingers from 21 patients were consecutively investigated. Two musculoskeletal radiologists retrospectively compared all sequences to assess the visibility of normal and abnormal A2 pulleys and the presence of motion or ghost artefacts. RESULTS: Normal and abnormal A2 pulleys were visible in 94% (59/63) and 95% (60/63) on T1WI sequences, in 63% (40/63) and 60% (38/63) on FS T2WI sequences, and in 87% (55/63) and 73% (46/63) on Gd FS T1WI sequences when read by the first and second observer, respectively. Motion and ghost artefacts were higher on FS T2WI sequences. Seven among eight abnormal A2 pulleys were detected, and were best depicted with Gd FS T1WI sequences in 71% (5/7) and 86% (6/7) by the first and the second observer, respectively. CONCLUSION: In 3-T MRI, the comparison between transverse T1WI, FS T2WI, and Gd FS T1WI sequences shows that transverse T1WI allows excellent depiction of the A2 pulley, that FS T2WI suffers from a higher rate of motion and ghost artefacts, and transverse Gd FS T1WI is the best sequence for the depiction of abnormal A2 pulley.
Keywords
Adolescent, Adult, Aged, Artifacts, Child, Contrast Media, Female, Finger Injuries, Gadolinium DTPA, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Predictive Value of Tests, Retrospective Studies, Sensitivity and Specificity, Tendon Injuries
Pubmed
Web of science
Open Access
Yes
Create date
20/01/2009 18:05
Last modification date
01/10/2019 7:17
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